Defining the blocker scenario and deriving linearity specifications for that. Exploring the mixer-first architectures to achieve these specs. Evaluating the effect of mixer-first architecture on other important specs of UWB application. Circuit and system level innovations to solve the challenges from the above study. Proposing a mixer-first architecture and calculating block level specifications. Designing this mixer-first architecture in an advanced technology node. Extensive simulation, verification, layout. Good and timely progress will lead to fabrication of a chip and subsequent publication.